Fire Fight Products - SS30-90-CAG 90 Degree Small-Format Automatic Release Fire Suppression 90 Degree Head. 1 LB Halon 1211 Fire Suppressant. Cylinder size: 12" x 2.5". 1 Year Warranty. Designed this unit especially for the *Norcold refrigerator recall and is our most popular seller. It is also suitable for other small compartments where supplemental fire protection is needed. Automatic release Standard 155F temperature trigger (for unvented enclosures) Optional temperature trigger 286F if specified via email. Special Under the Hood design for engine compartments. Ideal for RV generator & refrigerator compartments Designed for Class "A", "B", & "C" Fires. Aluminum cylinder, Stainless Steel bracket, Pressure gauge, Thermal release guard housing cage, nitrogen propellant. Pressure monitor guage. Overall Dimension: 13" x 2.5". 1 year warranty